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The Chinese beluga is in Hong Kong the cetacea animal which lives with the south China sea area, very beautiful lovable, the skin pale in passes flesh color, likes touring in Hong Kong's size islands tours, a their concentration area located at Lantou Island north of the waters, as well as regarding Long Guzhou and the sandbar waters, this kind of beluga is called the flesh color porpoise, has settled down for several hundred years in Hong Kong sea area oneself.
Classification
The Chinese beluga, other porpoises and the whale are a whale item of animal. A whale item of animal belongs mammalia, therefore has the common mammalia animal's essential feature, but actually and other mammalia animals are different: They live in the sea, is pregnant in Shui Zhongcheng and is born.
(Baiji)
(Bottlenose Dolphin)
Porpoise and whale's distinction
Although the porpoise and the whale are a whale item of animal, however they 伋 have the achillea sibirica little difference, got down extols has shown between them some differences.
The porpoise and the whale major part lives in the deep sea, but the Chinese beluga actually likes in the shore shallow place, very little tours the deep sea. The Chinese beluga will carry on the different activity in the different place. When the rest or plays, they converge the collection to approach the sand beach the bay, but hunts time, they will appear in the shallow water and the multi-rock place. (Saayman & Tayler, 1979) in Hong Kong, the early time they mainly north of Tuen Mun, Lantou Island's size mill knife island, cloudy Australia, east wells up, the red wax angle, Australia, area Long Guzhou, the sandbar waters to appear and disappear.
Launches from anew the airport project, the beluga starts to the Lantou Island moving to the south person. The bamboo punt-pole bay, the size crow continent, Lantou Island, the Dalangwan, become known in the bay even Victoria port area Stonecutters Island, saw porpoise's trace.
The Chinese beluga's life coordinates the moist high water to draw back with the sunrise sunset's time: When the tide rises, is also precisely the time which they are busy with hunt, but they most active time is the daybreak and the dusk.
Echo localization
The Chinese beluga's all depends set of natural radars on sea motion, the named “the echo localization”. First manufactures the sound wave, is (prosperous volume) makes some small sounds by the forehead, after the sound wave launches, when collides to the nearby thing, will then have the echo, by now, the porpoise will use the mandible receive echo, by the echo size and the shape, then knew the nearby thing the position.
The echo localization may also use for to seek for the game and the evasion enemy, may also use for to feel the external environment and to communicate with the companion.
Life history
The Chinese beluga is the mammalia animal, their baby when birth has compared the growth to be complete, does not look like the method which the fish spawns to reproduce. Porpoise mother must be pregnant for one year to be able under the birth the small porpoise.
Is different what with the other on land mammalia animal when is the Chinese beluga birth, a other whale item of animal is equally likely the tail leaves first, like this may avoid the small porpoise meeting drowns, moreover, after small porpoise birth, porpoise mother will assist it to tour the water surface to absorb the first air, will guarantee the small porpoise not to meet drowns. The newborn porpoise attracts sips the mother tun hypogastric two side nipple's mother's milks to live. Usually a Chinese beluga embryo produces one, the breast-feeding period is six months only.
Newborn small porpoise approximately weight ten kilograms, long nine ten centimeters.
Porpoise's age may reach as high as five ten years old.
